.header {
  height: 90px;
  background-color: #fff;
  line-height: 45px;

  .header-top {
    text-align: right;
    border-bottom: 1px solid #1890ff;

    button {
      margin-right: 30px;
      margin-left: 20px;
    }
  }

  .header-bottom {
    display: flex;

    .header-bottom-left {
      position: relative;
      flex: 1;
      text-align: center;
      font-size: 20px;

      &::after {
        content: '';
        position: absolute;
        left: 0;
        right: 0;
        top: 75%;
        width: 0;
        height: 0;
        margin: auto;
        border-width: 20px;
        border-color: #fff transparent green;
        border-style: solid;
        border-bottom: none;
      }
    }

    .header-bottom-right {
      flex: 3;
      text-align: right;
      margin-right: 30px;

      img {
        width: 30px;
        height: 20px;
      }

      span {
        padding: 0 10px;
        vertical-align: middle;
      }
    }
  }
}